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2025-11-14 - 17:09
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rack7slot0.osadl.org (updated Fri Nov 14, 2025 12:43:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
117950620,0irq/26-eth1-rx-0-21swapper/307:05:243
110050620,0irq/25-eth00-21swapper/207:06:142
117950570,0irq/26-eth1-rx-0-21swapper/107:05:101
117950490,0irq/26-eth1-rx-0-21swapper/007:05:500
21274991918,0cyclictest5363-21kworker/0:109:52:480
21274991918,0cyclictest5363-21kworker/0:109:52:480
110050160,0irq/25-eth00-21swapper/012:21:110
21275991514,0cyclictest0-21swapper/111:05:571
21274991512,0cyclictest0-21swapper/010:05:370
2127499150,0cyclictest6942-21sshd12:27:550
2127499150,0cyclictest6942-21sshd12:27:550
110050150,0irq/25-eth023917-21sshd10:58:521
21277991413,0cyclictest0-21swapper/310:31:083
21277991411,0cyclictest25284-21sshd10:36:213
21277991411,0cyclictest0-21swapper/309:40:293
2127799140,0cyclictest0-21swapper/310:25:193
21276991413,0cyclictest0-21swapper/210:55:452
2127699140,0cyclictest0-21swapper/212:31:212
2127599144,0cyclictest29115-21sshd10:00:171
2127599144,0cyclictest29115-21sshd10:00:171
2127599140,0cyclictest0-21swapper/111:45:131
21274991413,0cyclictest0-21swapper/009:11:290
21274991412,0cyclictest0-21swapper/009:28:480
191140,0ktimersoftd/10-21swapper/111:53:561
21277991312,0cyclictest1512-21sshd11:05:103
21277991311,0cyclictest0-21swapper/310:00:353
21277991311,0cyclictest0-21swapper/310:00:353
2127799131,0cyclictest0-21swapper/310:24:443
21276991312,0cyclictest11986-21sshd10:16:292
21276991312,0cyclictest10591-21bash09:36:322
2127699130,0cyclictest0-21swapper/210:53:262
21275991312,0cyclictest0-21swapper/109:48:501
21275991312,0cyclictest0-21swapper/109:36:521
2127599130,0cyclictest0-21swapper/111:04:131
21274991312,0cyclictest12634-21sshd10:23:580
21274991311,0cyclictest0-21swapper/011:28:550
351120,0ktimersoftd/312441-21sshd11:23:383
21277991211,0cyclictest0-21swapper/310:41:003
21277991211,0cyclictest0-21swapper/309:20:513
21277991210,0cyclictest0-21swapper/307:29:553
2127799120,0cyclictest427-21bash10:18:563
2127799120,0cyclictest0-21swapper/311:04:003
2127799120,0cyclictest0-21swapper/309:33:453
2127699122,0cyclictest0-21swapper/211:14:342
21276991211,0cyclictest13196-21diskmemload09:24:132
21276991211,0cyclictest0-21swapper/209:47:202
21275991211,0cyclictest0-21swapper/109:24:331
2127599120,0cyclictest0-21swapper/110:42:231
2127599120,0cyclictest0-21swapper/110:05:261
21274991211,0cyclictest0-21swapper/010:48:430
21274991211,0cyclictest0-21swapper/009:39:570
2127499120,0cyclictest0-21swapper/011:05:550
2127499120,0cyclictest0-21swapper/011:03:400
110050120,0irq/25-eth029559-21sshd11:21:521
110050120,0irq/25-eth015508-21bash09:33:232
41110,0ktimersoftd/08640-21sshd09:47:020
41110,0ktimersoftd/028210-21sshd12:12:240
41110,0ktimersoftd/014926-21sshd11:31:320
41110,0ktimersoftd/010626-21sshd09:43:410
41110,0ktimersoftd/00-21swapper/011:43:340
41110,0ktimersoftd/00-21swapper/010:50:010
21277991110,0cyclictest0-21swapper/309:14:423
2127799110,0cyclictest14838-21sshd12:28:503
2127799110,0cyclictest14838-21sshd12:28:493
2127799110,0cyclictest0-21swapper/311:40:173
2127799110,0cyclictest0-21swapper/307:17:433
21276991111,0cyclictest0-21swapper/211:28:372
21276991110,0cyclictest23294-21sshd10:25:122
21276991110,0cyclictest0-21swapper/212:35:252
21276991110,0cyclictest0-21swapper/212:18:382
21276991110,0cyclictest0-21swapper/210:21:082
2127699110,0cyclictest0-21swapper/208:59:282
2127699110,0cyclictest0-21swapper/208:24:372
2127599119,0cyclictest0-21swapper/107:47:251
21275991111,0cyclictest0-21swapper/109:17:481
21275991111,0cyclictest0-21swapper/109:11:391
21275991111,0cyclictest0-21swapper/107:33:441
21275991110,0cyclictest0-21swapper/111:56:441
2127599110,0cyclictest0-21swapper/112:30:141
2127599110,0cyclictest0-21swapper/107:35:481
2127599110,0cyclictest0-21swapper/107:11:391
21274991111,0cyclictest0-21swapper/012:30:150
21274991111,0cyclictest0-21swapper/008:25:350
21274991110,0cyclictest17249-21sshd11:46:040
2127499110,0cyclictest0-21swapper/009:33:480
2127499110,0cyclictest0-21swapper/009:22:380
2127499110,0cyclictest0-21swapper/007:39:420
2127499110,0cyclictest0-21swapper/007:27:450
2127499110,0cyclictest0-21swapper/007:17:110
1499110,0migration/02580-21sshd11:11:060
110050110,0irq/25-eth023620-21bash09:55:560
110050110,0irq/25-eth00-21swapper/311:57:403
110050110,0irq/25-eth00-21swapper/310:47:103
110050110,0irq/25-eth00-21swapper/210:01:092
110050110,0irq/25-eth00-21swapper/210:01:092
110050110,0irq/25-eth00-21swapper/110:17:511
110050110,0irq/25-eth00-21swapper/011:55:030
41100,0ktimersoftd/08087-21sshd11:19:240
41100,0ktimersoftd/029969-21rm12:05:230
41100,0ktimersoftd/021554-21bash10:55:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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